n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 13 |
8 | 33 |
9 | 61 |
10 | 115 |
11 | 431 |
12 | 1359 |
13 | 5125 |
14 | 23279 |
15 | 156491 |
16 | 866819 |
17 | 5189807 |
18 | 30665629 |
19 | 248556857 |
20 | 1970821419 |
21 | 20754531695 |
22 | 214278299237 |
[1,1,1,1,1,1,13,33,61,115,431,1359,5125,23279, 156491,866819,5189807,30665629,248556857, 1970821419,20754531695,214278299237] |